inner wire ISO-9001 material:steel ,plastic,pvc,galvanized,antifreeze,enviromental protection dia:1.25mm--3mm inner wire1x7,1x12,1x19,7x7,7x19,Eco- ... develope and produce the product according to your samples.material:steel ,plastivwell packing,offer OEM services,QC,long time using ... cable can't be shedding and rusting ,and the inner wire become more flexible in the cable. Inner Wire AAA Class Quality